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authorNamhyung Kim <namhyung.kim@lge.com>2013-12-18 14:21:10 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-12-18 14:43:04 -0300
commit68f6d0224b2a19a4da4a12a5081f01776e5150df (patch)
treee89e1cc01a62c4d400bc43087ac2e65d71352877
parent2037be53b2bceac3c2e648b8ff3fd62e21af2d35 (diff)
perf sort: Do not compare dso again
The commit 09600e0f9ebb ("perf tools: Compare dso's also when comparing symbols") added a comparison of dso when comparing symbol. But if the sort key already has dso, it doesn't need to do it again since entries have a different dso already filtered out. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Arun Sharma <asharma@fb.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Rodrigo Campos <rodrigo@sdfg.com.ar> Link: http://lkml.kernel.org/r/1387344086-12744-3-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/util/sort.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 68a4fd2f505..635cd8f8b22 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -13,6 +13,7 @@ int have_ignore_callees = 0;
int sort__need_collapse = 0;
int sort__has_parent = 0;
int sort__has_sym = 0;
+int sort__has_dso = 0;
enum sort_mode sort__mode = SORT_MODE__NORMAL;
enum sort_type sort__first_dimension;
@@ -194,9 +195,11 @@ sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
* comparing symbol address alone is not enough since it's a
* relative address within a dso.
*/
- ret = sort__dso_cmp(left, right);
- if (ret != 0)
- return ret;
+ if (!sort__has_dso) {
+ ret = sort__dso_cmp(left, right);
+ if (ret != 0)
+ return ret;
+ }
return _sort__sym_cmp(left->ms.sym, right->ms.sym);
}
@@ -1061,6 +1064,8 @@ int sort_dimension__add(const char *tok)
sort__has_parent = 1;
} else if (sd->entry == &sort_sym) {
sort__has_sym = 1;
+ } else if (sd->entry == &sort_dso) {
+ sort__has_dso = 1;
}
__sort_dimension__add(sd, i);